hq_hqa.c File Reference

#include <stdint.h>
#include "libavutil/attributes.h"
#include "libavutil/mem_internal.h"
#include "libavutil/thread.h"
#include "avcodec.h"
#include "bytestream.h"
#include "canopus.h"
#include "codec_internal.h"
#include "decode.h"
#include "get_bits.h"
#include "hq_hqadata.h"
#include "hq_hqadsp.h"
#include "vlc.h"

Go to the source code of this file.

Data Structures
struct	HQContext

Functions
static void	put_blocks (HQContext *c, AVFrame *pic, int plane, int x, int y, int ilace, int16_t *block0, int16_t *block1)
static int	hq_decode_block (HQContext *c, GetBitContext *gb, int16_t block[64], int qsel, int is_chroma, int is_hqa)
static int	hq_decode_mb (HQContext *c, AVFrame *pic, GetBitContext *gb, int x, int y)
static int	hq_decode_frame (HQContext *ctx, AVFrame *pic, GetByteContext *gbc, int prof_num, size_t data_size)
static int	hqa_decode_mb (HQContext *c, AVFrame *pic, int qgroup, GetBitContext *gb, int x, int y)
static int	hqa_decode_slice (HQContext *ctx, AVFrame *pic, GetBitContext *gb, int quant, int slice_no, int w, int h)
static int	hqa_decode_frame (HQContext *ctx, AVFrame *pic, GetByteContext *gbc, size_t data_size)
static int	hq_hqa_decode_frame (AVCodecContext *avctx, AVFrame *pic, int *got_frame, AVPacket *avpkt)
static av_cold void	hq_init_vlcs (void)
static av_cold int	hq_hqa_decode_init (AVCodecContext *avctx)

Variables
static VLCElem	hq_ac_vlc [1184]
static VLCElem	hqa_cbp_vlc [32]
const FFCodec	ff_hq_hqa_decoder

Function Documentation

put_blocks()

static void put_blocks ( HQContext *  c, AVFrame *  pic, int  plane, int  x, int  y, int  ilace, int16_t *  block0, int16_t *  block1  )

inlinestatic

Definition at line 63 of file hq_hqa.c.

Referenced by hq_decode_mb(), and hqa_decode_mb().

hq_decode_block()

static int hq_decode_block ( HQContext *  c, GetBitContext *  gb, int16_t  block[64], int  qsel, int  is_chroma, int  is_hqa  )

static

Definition at line 75 of file hq_hqa.c.

Referenced by hq_decode_mb(), and hqa_decode_mb().

hq_decode_mb()

static int hq_decode_mb ( HQContext *  c, AVFrame *  pic, GetBitContext *  gb, int  x, int  y  )

static

Definition at line 106 of file hq_hqa.c.

Referenced by hq_decode_frame().

hq_decode_frame()

static int hq_decode_frame ( HQContext *  ctx, AVFrame *  pic, GetByteContext *  gbc, int  prof_num, size_t  data_size  )

static

Definition at line 129 of file hq_hqa.c.

Referenced by hq_hqa_decode_frame().

hqa_decode_mb()

static int hqa_decode_mb ( HQContext *  c, AVFrame *  pic, int  qgroup, GetBitContext *  gb, int  x, int  y  )

static

Definition at line 191 of file hq_hqa.c.

Referenced by hqa_decode_slice().

hqa_decode_slice()

static int hqa_decode_slice ( HQContext *  ctx, AVFrame *  pic, GetBitContext *  gb, int  quant, int  slice_no, int  w, int  h  )

static

Definition at line 234 of file hq_hqa.c.

Referenced by hqa_decode_frame().

hqa_decode_frame()

static int hqa_decode_frame ( HQContext *  ctx, AVFrame *  pic, GetByteContext *  gbc, size_t  data_size  )

static

Definition at line 255 of file hq_hqa.c.

Referenced by hq_hqa_decode_frame().

hq_hqa_decode_frame()

static int hq_hqa_decode_frame ( AVCodecContext *  avctx, AVFrame *  pic, int *  got_frame, AVPacket *  avpkt  )

static

Definition at line 316 of file hq_hqa.c.

hq_init_vlcs()

static av_cold void hq_init_vlcs ( void  )

static

Definition at line 377 of file hq_hqa.c.

Referenced by hq_hqa_decode_init().

hq_hqa_decode_init()

static av_cold int hq_hqa_decode_init ( AVCodecContext *  avctx )

static

Definition at line 386 of file hq_hqa.c.

Variable Documentation

hq_ac_vlc

VLCElem hq_ac_vlc[1184]

static

Definition at line 60 of file hq_hqa.c.

Referenced by hq_decode_block(), and hq_init_vlcs().

hqa_cbp_vlc

VLCElem hqa_cbp_vlc[32]

static

Definition at line 61 of file hq_hqa.c.

Referenced by hq_init_vlcs(), and hqa_decode_mb().

ff_hq_hqa_decoder

const FFCodec ff_hq_hqa_decoder

Initial value:

= {
    .p.name         = "hq_hqa",
    CODEC_LONG_NAME("Canopus HQ/HQA"),
    .p.type         = AVMEDIA_TYPE_VIDEO,
    .p.id           = AV_CODEC_ID_HQ_HQA,
    .priv_data_size = sizeof(HQContext),
    .init           = hq_hqa_decode_init,
    FF_CODEC_DECODE_CB(hq_hqa_decode_frame),
    .p.capabilities = AV_CODEC_CAP_DR1,
}

Definition at line 399 of file hq_hqa.c.